Sellschaft



v 1,642,00 p 1927' A. BESSLER 9 LOCKING DEVICE FOR THE DRIVE 0F MACHINESWITH PRINTING 0R FEELING MECHANISMS Filed July 1'7, 1924 2 Sheets-Sheet1 Se t. 13 1927. I 1,642,009

p A.BESSLER LOCKING DEVICE FOR THE DRIVE OF MACHINES WITH PRINTING 0RFEELING MECHANISMS Filed July 17, 1924 2 Shets-Sheat 2 o 5 F/g.3. a

a i 1v 4 u 12 g 6 a k I 36 a b a a a b a 8 i- Patented Sept. 13, 1927.

UNITED STATES AUGUST BESSLER, 0F ESSEN, GERMANY,

1,642,009 PATENT OFFICE.

ASSIGNOR TO FRIED. KRUPP AKTIENGE- SELLSCHAFT, OF ESSEN-ON-THE-RUHR,GERMANY.

LOCKING DEVICE FOR THE DRIVE OF MACHINES WITH PRINTING- 0R FEELINGMECHANISMS.

Application filed July 17, 1924, Serial Iio.

This invention relates to the drive of machines of the kind whichcomprise printing mechanisms for printing introduced labels or feelingmechanisms for feeling punched cards and which are adapted to beoperated by depressing a'releasing key or adjusting a lever.

In order to prevent the operation of the machine from taking placebefore a label to be printed or a card to be perforated has beenintroduced, there is provided in connection with the releasing key afeeling stamp which feels the guide of the label and thereby controlsthe release of the machine-drive.

The drawing illustrates as an embodiment of the subject-matter of theinvention its application to a cash register.

In the drawing:

Fig. 1 is a side elevation of the device,

Fig. 2 is an elevation of a part of Fig. 1, showing some elements in adifferent position;

Fig. 3 is a plan View corresponding to Fig. l;

Figs. 4 to 7 are views of details.

The release of the operation of the cash register is effected by meansof keys a The locking device of the operating shaft itself is not shownbecause it does not form part of this invention. Pins (1? of the keysact on a strap 0, of a rocking member a which is mounted for swingingmovement at a and which has a spring or attached to its arm a. Aconnecting rod (1. which is pivoted to the arm a has a bent-01f portiona which serves as a stop. The left-hand end of the connecting rod ispivoted to an angle lever a a which is freely rotatable on a.

shaft 6 The arm a of the same has a bent-off portion a" which serves asa stop. A double-armed lever 6 b which is fixed to the shaft b isconnected with the angle lever 01 a by means of a torsional springb"(Fig. 3) in such a manner as to cause a in b of the lever arm 6 to acton the stop a of the angle lever. The right-hand end b of the lever armI) is bent off and adapted to cooperate with the stop a of theconnecting rod a Arranged underneath the lever arm 6 is a roller 0 (Fig.3) which is carried by a toothed wheel a and executes a circularmovement along with the toothed wheel during each operation of themachine. The lever arm b is provided with 726,643, and in Germany August1, 1923.

a tongue I) (Figs. 1 and 2) which cooperates with. a pin a of theconnecting rod a An arm b which is likewise rigidly fastened to theshaft 1) has pivoted to it a feeling stamp 6 (see also Figs. 4 and 5)possessing a'slot which is engaged by a sta tionary guide pin d Arrangedbelow the ,feeler is the stationary label guide d the plate (i of whichsupports the introduced label Z. The plate (I is provided with a recesscl through which the toe b of the feeling stamp 12 can be passed it" therecess 03 is not covered by an introduced label. Arranged below thelabel guide d is the set of types 6 and above the guide the printingpunch I. The printing punch has its movements imparted to it by means ofa doublearmed lever f which ismounted for rocking motion on a stationaryshaft d and the arm f of which is pivoted to the rod f" which.

is connected with the driving mechanism of the machine. A pin f of theprinting unch f is in engagement with a guide fork g the slotted arm 9of which is engaged by a pin g of a setting member 9 (see also Figs. 6and 7) which determines the position of the guide fork and consequentlythe direction of movement of the printing punch f. Fig. 1 shows theguide fork g in the normal position in which the printing punch 7 may bemoved towards the types 6 and the printing of the introduced label Zeffected. The setting member g is rotatable with the key pin g andadapted to be reversed by 180 degrees in the direction of the arrow pbymeans of a key so as to render inoperative the movement of the printingpunch I. The setting member g is held in one or the other of its limitpositions by a spring g. F astened to the setting member is a lockingpin g which, upon the setting member being reversed, comes into the pathof a stop member 6 of the arm I) (Fig. 2). The guide fork g hasconnected to it a locking strap 9* which obstructs the label guide inthe reversed position of the setting member 9*.

The operation of the device is as follows: If labels should be printedupon the transaction effected by the cash register, the set ting memberg must be in the position according to Fig. 1. Upon depressing one ofthe keys 0. the connecting rod a with the stop a and the arm m of the,angle lever a, a are moved forwards contrary 'to the action of thespring a while the parts 6 to b are arrested by the feeler I) strikingon the introduced label. The arrangement is so that, when the said partsare being arrested, the locking member I) (position b is not yet in thepath of the stop a, thereby allowing the parts a to a to be moved intotheir limit position. The fully depressed key 0. causes now the re-'lease of the cash register operation by which the printing punch f ismoved against the set of types e and the introduced label Z printed.

If in the position of the setting member according to Fig. 1 no labelhas been introduced by mistake, the feeler b Wlll not be stopped upondepressing one of the keys 0, but it will continue its movement throughthe recess d. The locking member 6 moved along with the feeler b willnow enter into the path of the stop a (position 6) before the parts a toa will have been moved into the limit position. Therefore it is notpossible to fully depress the key a and the operation of the cashregister will not be released.

In order to allow operations of the cash register to take place withouthaving to introduce a label to be printed, it is necessary to turn thekey'pin g for 180 degrees in the direction of the arrow 12 by means of akey. The locking pin 9 is thereby brought into the path of the stopmember I) (Fig. 2). \Vhen a key a is now depressed, the parts b to I)will be arrested by the stop member 12 striking against the locking ping" before the locking member I) (intermediate position b) will have beenable to come into the path of the stop a". There fore the key a mayagain be fully depressed and an o eration of the cash register takeplace wit out a label having'been intro duced. By reversing the settingmember g" the guide fork g has also been brought into another position.The printing punch f is thereby prevented from coming into touch withthe coloured types e in operations of the cash register without anintroduced label. Besides, by the reversing of the setting member g thelabel guide d has been obstructed inasmuch as the right-hand end of thelocking strap has been caused to bear on the plate (i of the labelguide. It is therefore Impossible to insert a label when operations ofthe cash register take place with which the movements of the printingpunch f are mo erat1ve.

f operations of the cash register should again take place in whichlabels are to be printed, this is only possible after the printing punchf has been returned into operative position by a rotation of the key ping in a direction opposite to the arrow 39 After the depressed key hasbeen released in well-known manner during the operation of the cashregister and rushed back, the parts a to a" and along with them theparts 6 to b are returned by the action of the spring a. This returnmovement is assisted in and secured by the roller 0 which returns theparts I) to b into the position of rest by acting on the arm 12 beforethe revolution of the wheel 0 comes to an end. During this movement thetongue I) acts on the pin a of the connecting rod a and thus securesalso a positive return of the parts a to a I claim:

1. In a machine of the character stated, drive means, releasing meansfor said drive means, and a feeler operable on a card introduced intosaid machine for controlling the operation of said releasing means, saidfeeler being under the influence of said releasing means.

2. In a machine of the character stated, drive means, a key forreleasing said drive means, and a feeler operable on a card introducedinto said machine for controlling the operation of said key, said feelerbeing under the influence of said key.

3. In a machine of the character stated, drive means, means forreleasing said drive means, a spring actuated follower controlled bysaid releasing means, a feeler positively connected to said follower anddisplaceable thereby toward a card introduced into said machine, and astop for said releasing means on said follower movable into stoppingposition except when said feeler is checked by a card introduced intosaid machine.

4. In a machine of the character stated, drive means, means forreleasing said drive means, a card guide, a feeler operable on a cardintroduced in said guide upon an actuation of said releasing means, andmeans controlled by said feeler for locking said releasing means on theabsence of a card in said guide.

5; In a machine of the character stated,

drive means, means for releasin said drive means, a card guide, a feelera apted to be arrested by-a card introduced in said guide. said feelerbeing impositively controlled from said releasing means, and lockingmeans controlled by said feeler adapted to prevent an operativeactuation of said releasing means on the absence of a card in saidguide, said releasing means being operatively actuatable independentlyof said feeler upon the arrest of the latter.

6. In a machine of the character stated, drive means, means forreleasing said drive means, a card guide, a feeler operable on a cardintroduced in said guide, an impositive connection between saidreleasing means and said feeler, means controlled by said feeler forlocking said releasing means to prevent an operative actuation of thelatter on the absence of a card in said guide, and means for renderingsaid connection inoperative for preventing the locking of said releasingmeans upon the actuation of the latter subsequent to the introduction ofa card in said guide. 7

7. In a machine of the character stated, drive means, a key forreleasing said drive means, a rocking lever, spring means for rockingsaid lever under the control of said key, a feeler under the positiveinfluence of said lever and operable on a card introduced into saidmachine, said lever having a lug adapted to prevent a full depression ofsaid key on the absence of a card in said machine.

8. In amachine of the character stated, drive means, a key for releasingsaid drive means, means for marking a card introduced into said machine,a feeler for controlling the operation of said key in dependence uponthe presence or absence in said machine of a card to be marked, andsettable means for rendering said key inde: pendent of said feeler.

9. In a machine of the character stated, drive means, a key forreleasing said drive means, means for marking a card introduced intosaid machine, a feeler for controlling .the operation of said key independence upon the presence or absence in said machine of a card to bemarked, and settable means adapted to control said feeler for renderingsaid key independent thereof.

10. In a'machine of the character stated,

drive means, a key for releasing said drive means, a card guide, afeeler. operable on a card introduced into said guide and controlling independence thereupon the oper-.

ative actuation of said key, and a setting member operable for freeingsaid key from the control of said feeler, said member having aprojection thereon adapted to obstruct said card guide when said memberis in operative position.

' 11. In a machine of the character stated, drive means, a key forreleasing said drive means, a card guide, a feeler operable on a cardintroduced into said guide and con- .ative actuation of said key, asetting member operable for freeing said key from the control of saidfeeler, printing means operable on said card upon an operative actuationof said key, and means whereby said printing means is swung intoinoperative position when said member is set in operative position.

The foregoing specification signed at Cologne, Germany, this 5th day ofJuly,

AUGUST BESSLER.

